Physics For Civil Engineering: Unit II: Ventilation And Refrigeration
Chilled Water Plants
Working Principle, Construction, Advantages, Disadvantages | Refrigeration
The chilled water plants are installed in large buildings, shopping mall, airport, hotel, etc.
CHILLED WATER PLANTS
The chilled water plants are installed
in large buildings, shopping mall, airport, hotel, etc.
Principle
In the chilled water plants, the
refrigerant first chills the water,which in turn chills the room air.
Construction
The
schematic diagram of the chilled water plant is shown in figure 2.11.
The
chilled water plants ts consists of the fo following units.
(a)
Chiller
(b)
Chilled water circulation
(c)
Condenser water pumps
(d)
Cooling Tower
(e)
Water piping
Working
• In chilled water plants, the ordinary water or brine
solution is chilled to very low temperatures of about 6 to 8 degree Celsius by
the refrigeration plant. This chilled water is pumped to various floors of the
building and its different parts.
•
In each of these parts the air handling units are installed, which comprise of
the cooling coil, blower and the ducts. The chilled water flows through the
cooling coil.
•
The
blower absorbs return air from the air conditioned rooms that are to be cooled
via the ducts. This air passes over the cooling coil and gets cooled and is
then passed into the air conditioned space.
Advantages
• High energy efficiency.
• Easy controllability.
• Longer life.
•
Very less space is used.
•
Water is a more space-efficient heat transfer medium than air.
Disadvantages
•
More costly to install.
•
More complicated to operate.
Physics For Civil Engineering: Unit II: Ventilation And Refrigeration : Tag: : Working Principle, Construction, Advantages, Disadvantages | Refrigeration - Chilled Water Plants
Physics For Civil Engineering: Unit II: Ventilation And Refrigeration
Under Subject
Physics for Civil Engineering
PH3201 2021 Regulation | 2nd Semester Civil Dept 2021 Regulation
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